From 3c417554caedde3a333755916701c8380606342a Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Wed, 8 Aug 2012 02:44:11 +0000
Subject: [PATCH] Minor cleanup of defaultDefLatency API

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161470 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Target/TargetInstrInfo.h |  3 ++-
 lib/CodeGen/TargetInstrInfoImpl.cpp   | 14 ++++++++------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index 850eccc7f3c..0fab9347b3b 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -28,6 +28,7 @@ class MachineMemOperand;
 class MachineRegisterInfo;
 class MDNode;
 class MCInst;
+class MCSchedModel;
 class SDNode;
 class ScheduleHazardRecognizer;
 class SelectionDAG;
@@ -790,7 +791,7 @@ public:
                               SDNode *Node) const = 0;
 
   /// Return the default expected latency for a def based on it's opcode.
-  unsigned defaultDefLatency(const InstrItineraryData *ItinData,
+  unsigned defaultDefLatency(const MCSchedModel *SchedModel,
                              const MachineInstr *DefMI) const;
 
   /// isHighLatencyDef - Return true if this opcode has high latency to its
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp
index a3d677110e2..ddee6b24016 100644
--- a/lib/CodeGen/TargetInstrInfoImpl.cpp
+++ b/lib/CodeGen/TargetInstrInfoImpl.cpp
@@ -570,12 +570,12 @@ TargetInstrInfoImpl::getNumMicroOps(const InstrItineraryData *ItinData,
 }
 
 /// Return the default expected latency for a def based on it's opcode.
-unsigned TargetInstrInfo::defaultDefLatency(const InstrItineraryData *ItinData,
+unsigned TargetInstrInfo::defaultDefLatency(const MCSchedModel *SchedModel,
                                             const MachineInstr *DefMI) const {
   if (DefMI->mayLoad())
-    return ItinData->SchedModel->LoadLatency;
+    return SchedModel->LoadLatency;
   if (isHighLatencyDef(DefMI->getOpcode()))
-    return ItinData->SchedModel->HighLatency;
+    return SchedModel->HighLatency;
   return 1;
 }
 
@@ -638,7 +638,7 @@ static int computeDefOperandLatency(
       return 1;
   }
   else if(ItinData->isEmpty())
-    return TII->defaultDefLatency(ItinData, DefMI);
+    return TII->defaultDefLatency(ItinData->SchedModel, DefMI);
 
   // ...operand lookup required
   return -1;
@@ -669,7 +669,8 @@ computeOperandLatency(const InstrItineraryData *ItinData,
 
   // Expected latency is the max of the stage latency and itinerary props.
   if (!FindMin)
-    InstrLatency = std::max(InstrLatency, defaultDefLatency(ItinData, DefMI));
+    InstrLatency = std::max(InstrLatency,
+                            defaultDefLatency(ItinData->SchedModel, DefMI));
   return InstrLatency;
 }
 
@@ -742,6 +743,7 @@ computeOperandLatency(const InstrItineraryData *ItinData,
 
   // Expected latency is the max of the stage latency and itinerary props.
   if (!FindMin)
-    InstrLatency = std::max(InstrLatency, defaultDefLatency(ItinData, DefMI));
+    InstrLatency = std::max(InstrLatency,
+                            defaultDefLatency(ItinData->SchedModel, DefMI));
   return InstrLatency;
 }
-- 
2.34.1